Southwire Company, LLC

National Steel Corporation

Anthony J Kamalich

Charles M Benton

Franklin D Arnold

Gerald D Evrard

Homer M Charlton

Wade L Van Winkle

Henry S Cook

Jerry A Meyer

A method and apparatus for automatically controlling a carbon bake furnace to thereby reduce uniformly baked anodes is disclosed. In its method aspects, the invention contemplates the use of flue and pit temperatures to produce a control signal to operate a valve for varying the air fuel mixture of a burner associated with said valve. In its apparatus aspects, the invention utilizes a plurality of infrared detectors to measure the pit and flue temperatures. The signals produced by these sensors are fed to a computer which produces a control signal for operating a valve associated with at least one of a plurality of burners which is to have its air/fuel ratio adjusted to thus adjust the temperature in the pit heated by the selected burner to a desired target temperature.

Method and apparatus for producing uniformly baked anodes

This invention relates to a device for cleaning opposed walls of a furnace pit. The device comprises a plurality of rotating screw-type cutters for removing built-up deposits upon the opposed walls of the furnace pit, a plurality of linkage arms for carrying the plurality of rotating screw-type cutters, a plurality of air motors for independently adjusting the speed of each half of the plurality of rotating screw-type cutters along each opposed wall of the furnace pit, and universal joints for allowing floating adjustment of each of the plurality of rotating screw-type cutters against each opposed wall of the furnace pit. The device also comprises piston-cylinder arrangements for moving the plurality of rotating screw-type cutters into and out of engagement with the built-up deposits upon the opposed walls of the furnace pit, a plate for allowing lifting of the rotating screw-type cutters up and down along the opposed walls of the furnace pit, a crane for lifting the plate, a vacuum pump for sucking out deposits removed from the opposed walls of the furnace pit, and at least one overhead rail for allowing travel of the crane from one furnace pit to another furnace pit.

Flue wall coke build-up removal device

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Owensboro, KY, United States of America

Anthony J Kamalich